v3.7.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating activities    
Net income (loss) $ 1,980 $ (4,642)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 4,001 1,675
Amortization of debt discount, deferred financing fees and bond premium 237 167
Non-cash stock-based compensation expense 3,256 3,665
Non-cash long-lived asset impairment charge 190 0
Non-cash loss on disposal of long-lived assets 2 153
Deferred income taxes 5 0
Changes in certain assets:    
Accounts receivable, net 578 807
Prepaid expenses and other current assets (3,672) (3,080)
Changes in certain liabilities:    
Accounts payable 1,483 (490)
Accrued liabilities (1,072) 14,609
Net cash provided by operating activities 4,192 9,201
Investing activities    
Purchases of investments 0 (4,071)
Sales of investments 4,341 4,320
Property, equipment and software (134) (904)
Capitalized website and software development costs (1,906) (5,489)
Intangible assets (31) (122)
Net cash provided by (used in) investing activities 2,270 (6,266)
Financing activities    
Proceeds from exercise of stock options 48 2
Taxes paid on behalf of employees related to net share settlement (67) (127)
Purchases of treasury stock (15) 0
Payments on capital lease obligation (41) (57)
Net cash (used in) financing activities (75) (182)
Net increase in cash and cash equivalents 6,387 2,753
Cash and cash equivalents, beginning of period 22,402 32,599
Cash and cash equivalents, end of period 28,789 35,352
Supplemental cash flow disclosures    
Capital expenditures incurred but not yet paid 65 1,010
Deferred advertising revenue [Member]    
Changes in certain liabilities:    
Deferred revenue 372 (608)
Deferred membership revenue [Member]    
Changes in certain liabilities:    
Deferred revenue $ (3,168) $ (3,055)